Cheapest return flights from Philadelphia to San Juan in April from 119€

Best time to book flights for Philadelphia (PHL) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU) in April 2025 (see full year).

Return flights

30 Apr - 06 May Spirit Airlines
24 Apr - 30 Apr Spirit Airlines direct
15 Apr - 30 Apr Spirit Airlines direct
01 Apr - 03 Apr Frontier Airlines direct
06 Apr - 09 Apr Frontier Airlines direct
25 Apr - 05 May Spirit Airlines direct
05 Apr - 08 Apr Spirit Airlines direct
09 Apr - 13 Apr Spirit Airlines direct
23 Apr - 30 Apr Spirit Airlines direct
06 Apr - 11 Apr Spirit Airlines direct
07 Apr - 13 Apr Spirit Airlines direct
07 Apr - 11 Apr Spirit Airlines direct
24 Apr - 03 May Spirit Airlines direct
25 Apr - 04 May Spirit Airlines direct
30 Apr - 06 May Spirit Airlines direct
30 Apr - 07 May Spirit Airlines direct
30 Apr - 10 May Spirit Airlines direct
16 Apr - 01 May Spirit Airlines direct
30 Apr - 14 May Frontier Airlines

Also check the deals for one-way flights from Philadelphia to San Juan in April.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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